{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbc6dd002b1b474a13909dfc4b9da6406e735ed65db1d12c745c91bcc21bc2c93",
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}